YouTube for Musicians

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "minimum_chrome_version": "88",
  "name": "YouTube for Musicians",
  "short_name": "YouTube for Musicians",
  "description": "Adds a musician-friendly controller to videos on YouTube.com making it easy to set loops and slow down. Built by MusicLessons.com.",
  "version": "1.1.5",
  "action": {
    "default_icon": {
      "16": "images/icon16.png",
      "19": "images/icon19.png",
      "24": "images/icon24.png",
      "32": "images/icon32.png",
      "38": "images/icon38.png",
      "48": "images/icon48.png",
      "72": "images/icon72.png"
    },
    "default_title": "YouTube for Musicians",
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "96": "images/icon96.png",
    "128": "images/icon128.png",
    "256": "images/icon256.png",
    "512": "images/icon512.png"
  },
  "host_permissions": [
    "https://www.youtube.com/*",
    "https://www.musiclessons.com/youtube/xtension/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*"
      ],
      "js": [
        "js/jquery-3.6.1.min.js",
        "js/jquery-ui-1.13.2.custom/jquery-ui.min.js",
        "youtube.min.js"
      ],
      "css": [
        "js/jquery-ui-1.13.2.custom/jquery-ui.min.css",
        "fontawesome.min.css",
        "youtube.min.css"
      ],
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "fontawesome-webfont.woff2",
        "fontawesome-webfont.eot",
        "fontawesome-webfont.svg",
        "fontawesome-webfont.ttf",
        "fontawesome-webfont.woff",
        "images/ml-brand.png",
        "images/slider.png",
        "images/logo-mini.png",
        "images/icon48.png",
        "images/icon128.png",
        "js/jquery-ui-1.13.2.custom/jquery-ui.min.css"
      ],
      "matches": [
        "https://www.youtube.com/*"
      ]
    }
  ]
}